Cheapest priced copy (Dominaria United): $0.49 at Card Kingdom, near mint, their price list as of .
Llanowar Greenwidow 
Creature — Spider · 4/3 · Rare · Dominaria United · #169
Reach, trample
Domain — {7}{G}: Return this card from your graveyard to the battlefield tapped. It gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else." This ability costs {1} less to activate for each basic land type among lands you control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United | 169 | Rare | $0.49 | $0.49 |
| Dominaria United | 415 | Rare | $0.59 | $0.49 |
| Dominaria United Promos | 169p | Rare | $0.49 | $0.99 |
| Dominaria United Promos | 169s | Rare | — | $0.69 |
2 rulings from Wizards of the Coast
- 9 September 2022Domain abilities count the number of basic land types among lands you control, not how many lands you control or how many of any type.
- 9 September 2022The basic land types are Plains, Island, Swamp, Mountain, and Forest. Land types other than basic land types (such as Desert) don't contribute to domain abilities.